This is because all kitchen sinks have standard drain hole sizes of 3.5 to 4 inches, and so all garbage disposals are made to fit this one size to make their installations easier. So it is just to say that all garbage disposals are universal. There are a few exceptions to the above though.
Is a bathroom sink different from a kitchen sink?
However, compared to a kitchen sink, most bathroom sinks don’t endure much pressure. If you have decided to take care of plumbing works for your house, this article will tell you about the right size, and other pieces of information you need to know.
Why is it important to choose the right kitchen sink size?
Your kitchen sink has to undergo lots of cleaning and stuff, which makes it very important to use the right drain size so that it doesn’t get clogged.
Is the kitchen sink drain pipe the same as other fixtures?
All other fixtures in your house, including the kitchen sink drain pipe, have local or governed plumbing codes. Whether it’s international or uniform plumbing code, these codes are accepted worldwide as a standard to ensure safe and correct plumbing. The sizes of the bathroom sink and kitchen sink aren’t the same.
What are the parts of a kitchen sink drain?
There are several parts in the drain for different purposes. The very first one is known as a drain basket that is fitter into the drain hole. It also includes a bowl on the hole, washer, locknut, and a threaded piece of pipe. The washer and locknut make sure the drain is well-secured on the sink.

Are all kitchen sink drains same size?
What is this? Yes, kitchen sink drains today are universal. They're generally 3 ½ inches in diameter and are larger than bathroom drains, which are 1 ¼ inch in diameter. Kitchen sink drains are the same size as most standard-sized shower drains.
Are kitchen sink wastes a standard size?
Well, the simple answer is basin wastes come in just one size at 1 ¼ inch. However, they can come in different shapes such as round or square.
What size should a sink drain be?
The 1½-inch size is used to capture water that might flow out of a kitchen sink, a bathroom vanity or a tub. The two-inch pipe is commonly used to drain a shower stall or washing machine, and it may be used as a vertical stack for a kitchen sink. A three-inch pipe is what's used in homes to pipe toilets.
Are all sink baskets same size?
Kitchen sink basket strainers are the same size. The basket assembly can fit the sink drain opening every time. You don't have to measure it, you don't have to measure the size of your sink drain hole, this is the standard in the industry.
Are sink wastes universal?
Slotted basin wastes tend to be the commoner of the two, in that they are designed for sinks that have an overflow and most do. Unslotted wastes are for use with basins without an overflow. It is imperative that you choose the right slotted or unslotted basin waste, for your sink to prevent flooding.
What size is a kitchen sink waste trap?
1-1/2 inchKitchen sinks, baths and shower wastes use a 40mm / 1-1/2 inch trap.
How do you measure a kitchen sink drain?
To check the kitchen sink drain size, take a tape and place it across the center of the drain hole. That way, you'll get the maximum width between two opposite points. This also should be of the exact size of the drain strainer suitable for your sink.
What is standard drain pipe size?
Most modern drains have a 1 1/2 inch outlet, but older sinks may have drains that connect to a 1 1/2 inch tailpiece. All the pipes that connect to the tailpiece are either 1 1/2 or 1 1/2 inches in diameter.
How do you measure sink drain diameter?
According to Signature Hardware, a standard kitchen drain is 3 1/2 inches in diameter. This is the measurement across the center of the drain, from one side to another. The drain strainer, the bowl-shaped piece inside the drain mouth, matches this dimension.
Are sink baskets standard size?
There are two main standard sizes for sink drains, 3 1/2 inches and 4 inches. For that reason, most kitchen sink strainer products are made to fit diameters of 3 inches to 4 inches.
How do you measure a kitchen sink basket?
Insert the end of the measuring tape into the drain, beside the edge. Measure the depth of the opening. This gives you the maximum depth for the crumb cup. Don't measure in the center of the drain -- the bottom surface might slope, and you need to measure its shallowest point.
Are all plug holes the same size?
Manufacturers have also taken into account the old days where sizes were different again, so sink plugs are still available in: 1 inch, 1 1/4 inch, 1 3/8 inch, 1 5/8 inch, 1 7/8 inch, 2 inch, 2 1/4 inch, 2 3/8 inch and 2 1/2 inch sizes.
How big is a sink drain pipe?
Inside the pipe, there should be 1 ½ inches hole. But as far as the pipe or standard size PVC for sink drain is concerned, it’s 2 or 3 ½ inches in diameter. It’s the measurement that surrounds the center of the drain from both sides.
What is the part of a sink drain?
The very first one is known as a drain basket that is fitter into the drain hole. It also includes a bowl on the hole, washer, locknut, and a threaded piece of pipe. The washer and locknut make sure the drain is well-secured on the sink. Furthermore, the drainpipe attaches to ...
What to do if sink drain is clogged?
If your sink is clogged or you need to replace the drain or drain pipe, go to any local hardware store to get the proper size. For the clogged sink, be sure to check if the garbage disposal is okay or not. In most cases, clogged disposal creates such an issue. Happy Plumbing 🙂.
What does a kitchen sink drain tape do?
Standard Kitchen Sink Drain Size. When you turn on the tape, you expect it to clean your kitchen sink to drain all the water along with other stuff as well. It primarily does one function, drain off the tap water from the sink surface. In fact, it does most of the draining of the entire houses.
What is washer and locknut?
The washer and locknut make sure the drain is well-secured on the sink. Furthermore, the drainpipe attaches to the threaded pipe that is below the basin on the drain. And this is the part you need to be concerned about when replacing a drain pipe or hole.
Where is the kitchen drain pipe?
Your kitchen drainpipe connects right to the drain underneath the sink. A secure connection is made between the drain to the sink through a locknut, as I have mentioned earlier.
How to get rid of bubbles in sink drain?
Once you remove the excess water from the sink, consider pouring one cup of baking soda into the sin k drain. Then pour another cup of apple cider vinegar in the same place. This solution will make a bubble. When you see subside, consider putting the stopper, and then wait for 10 to 15 minutes.
